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. Author manuscript; available in PMC: 2012 Oct 26.
Published in final edited form as: Am J Cardiol. 2011 Jan 19;107(5):709–713. doi: 10.1016/j.amjcard.2010.10.046

Figure 2.

Figure 2

ST-segment changes in 2 patients, according to sleep stages - Distribution of ST-segment changes in sleep stages. W= wakefulness, 1= stage 1, 2= stage 2, 3/4= stage 3 and 4, R= REM, ARL= arousals.